(19)
(11) EP 0 259 423 A1

(12)

(43) Date of publication:
16.03.1988 Bulletin 1988/11

(21) Application number: 87901551.0

(22) Date of filing: 20.02.1987
(51) International Patent Classification (IPC): 
C07C 1/ 32( . )
C07C 67/ 00( . )
C07C 69/ 65( . )
C07C 69/ 86( . )
C07C 69/ 92( . )
C07C 241/ 00( . )
C07D 239/ 26( . )
C07D 239/ 34( . )
C09K 19/ 12( . )
C09K 19/ 22( . )
C09K 19/ 26( . )
C09K 19/ 34( . )
G02F 1/ 13( . )
C07C 43/ 225( . )
C07C 69/ 612( . )
C07C 69/ 734( . )
C07C 69/ 90( . )
C07C 69/ 94( . )
C07C 251/ 24( . )
C07D 239/ 28( . )
C07D 239/ 42( . )
C09K 19/ 20( . )
C09K 19/ 24( . )
C09K 19/ 30( . )
C09K 19/ 46( . )
(86) International application number:
PCT/GB1987/000132
(87) International publication number:
WO 1987/005291 (11.09.1987 Gazette 1987/20)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30) Priority: 26.02.1986 GB 19860004739
20.06.1986 GB 19860015095

(71) Applicants:
  • The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and
    London SW1A 2HB (GB)
  • THE SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY OF THE CHINESE ACADEMY OF SCIENCE
    Shanghai (CN)

(72) Inventors:
  • GRAY, George, William
    North Humberside HU16 4D7 (GB)
  • LACEY, David
    Hull, North Humberside HU8 9NN (GB)
  • TOYNE, Kenneth, Johnson
    North Humberside HU6 8QW (GB)
  • SCROWSTON, Richard, Michael
    Beverley North Humberside (GB)
  • HOLMES, David
    North Humberside HU2 9BE (GB)
  • BRADSHAW, Madeline, Joan
    Gloucester GL18 1BJ (GB)
  • SAMRA, Anerjit
    Worcestershire B60 2PB (GB)
  • HONG, Xi, Jun Shanghai Inst. of Org. Chem.
    Shangai (CN)

(74) Representative: Beckham, Robert William 
Defence Research Agency Intellectual Property Department DRA Farnborough
Farnborough, Hants. GU14 6TD
Farnborough, Hants. GU14 6TD (GB)

   


(54) LIQUID CRYSTAL COMPOUNDS, MIXTURES AND DEVICES